The authorities are now looking for a new capital, since the current one will gradually have to be evacuated. This problem is aggravating the issue of access to water in the city, with a water extraction policy that is also speeding up the rate at which the city is sinking. Jakarta's growth (32.1 million people) is such that the entire region is sinking into the Java Sea. Its rapid expansion in all directions and a road-based transport system are making its sustainable management unfeasible.
Shanghai is considered to be the city with the highest economic growth in the world (double digit over fifteen years), partly due to population growth: 16 million in 2000 to over 24 in 2021 in the suburban area. Unfortunately, as tends to be the case, the suburban population ( 40.5 million people) has now become disperse and has a high impact. This means the city boasts one of the best per capita energy consumption rates, particularly in terms of rail transport. Tokyo, the most densely populated city in the world, tooĪround 13.18 million people live in high urban density in Tokyo: 6,373 people per square kilometer. The Chinese government hopes to limit its growth by promoting the creation of new urban areas, such as Xiong'an. Its population density is notably low (1,804 people per square kilometer), which poses a significant environmental risk due to the population being dispersed across suburban areas. Far from stabilizing, it is increasing at a rate of +1.85% per year due to migrants from rural areas in search of opportunities. Guangzhou is the largest conurbation in the world, with 47.6 million inhabitants.
Guangzhou, the most densely populated city in the world and in some cases, a diverse mix of both. And they are hardly defined by a common architectural or urban planning strategy, hosting from expansive informal areas to hyperdense towers. What does the future hold for these extensive cities? The world's largest cities at a glimpseĭensity and population, far more than land area, are the most important characteristics of the world's largest cities. Although some cities have high-density clusters with a focus on sustainability, there is an imbalance between their vast size and expansion and their lower impact per capita. The ten most populated metropolitan areas of the world are home to 309.6 million people, which is almost 3.9% of the world's population (7.8 billion).
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